Name Planned shipping method Start Date  
Enumeration of enterococci in drinking water
Parameters (quantitative): Enterococcus [cfu/100ml]
Article Number: 2010658
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
Frozen shipping April 2026 Add to cart
Enumeration of enterococci in drinking water
Article Number: 2010658
April 2027 Add to cart
Enumeration of enterococci in surface and waste water
Parameters (quantitative): Enterococcus [cfu/100ml]
Article Number: 2010672
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
Frozen shipping April 2026 Add to cart
Enumeration of enterococci in surface and waste water
Article Number: 2010672
April 2027 Add to cart
Enumeration of Legionella spp. in drinking water
Parameters (quantitative): Legionella spp. (direct plating) [cfu/100ml], Legionella spp. membrane filtration (with acid treatment) [cfu/100ml]
Article Number: 2010114
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 2
Frozen shipping September 2026 Add to cart
Enumeration of Legionella spp. in drinking water
Article Number: 2010114
September 2027 Add to cart
Enumeration of Legionella spp. in recooling water
Parameters (quantitative): Legionella spp. membrane filtration (after heat treatment) [cfu/100ml], Legionella spp. membrane filtration (with acid treatment) [cfu/100ml], Legionella spp. plating (original sample) [cfu/100ml], Legionella spp. plating (after heat treatment) [cfu/100ml], Legionella spp. plating (with acid treatment) [cfu/100ml]
Article Number: 2010958
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics recooling water
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
risk group 2
Refrigerated shipping September 2026 Add to cart
Enumeration of Legionella spp. in recooling water
Article Number: 2010958
September 2027 Add to cart
Enumeration of Ps. aeruginosa in drinking water
Parameters (quantitative): Ps.aeruginosa [cfu/100ml]
Article Number: 2010660
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 2
Frozen shipping July 2026 Add to cart
Enumeration of Ps. aeruginosa in drinking water
Article Number: 2010660
July 2027 Add to cart
Enumeration of Ps. aeruginosa in recooling water
Parameters (quantitative): Ps.aeruginosa [cfu/100ml]
Article Number: 2010960
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics recooling water
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
risk group 2
Refrigerated shipping July 2026 Add to cart
Enumeration of Ps. aeruginosa in recooling water
Article Number: 2010960
July 2027 Add to cart
Enumeration of somatic coliphages in water (ISO 10705-2)
Parameters (quantitative): somatic coliphages [pfu/100 ml]
Article Number: 2011346
Description: Water quality Quantitative analysis for bacteriophages
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
New proficiency testing
Frozen shipping November 2026 Add to cart
Enumeration of somatic coliphages in water (ISO 10705-2)
Article Number: 2011346
November 2027 Add to cart
Hydrocarbons in soil (ISO 16703)
Parameters (quantitative): total petroleum hydrocarbons (TPH) from C₁₀ to C₄₀ [mg/kg]
Article Number: 2011278
Category: chemical-physical testing Environmental analytics soil
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature December 2026 Add to cart
Hydrocarbons in soil (ISO 16703)
Article Number: 2011278
December 2027 Add to cart
Identification moulds in indoor air
Parameters (qualitative): identification of moulds [genus]
Article Number: 2011301
Description: Proficiency test series for testing for microbiological contamination of indoor air. This part deals with the identification of mold. Gel filters prepared with mold are used as sample material. No separate air sampling is carried out. Possible methods for participation are e.g. ISO 16000-17.
Category: immunological, molecular biological and microbiological testing Environmental analytics indoor air
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
New proficiency testing
Refrigerated shipping July 2026 Add to cart
Identification moulds in indoor air
Parameters (qualitative): identification of moulds [genus]
Article Number: 2011301
July 2027 Add to cart
Marine water - chlorite, chlorate
Parameters (quantitative): chlorite [µg/l], chlorate [µg/l]
Article Number: 2011383
Description: Possible testing e.g. by EPA 300.1
Category: chemical-physical testing Environmental analytics marine water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Frozen shipping December 2026 Add to cart
Marine water - chlorite, chlorate
Article Number: 2011383
December 2027 Add to cart
1 Parameters with this label depend on the number of participants and/or the choice of materials.
Under certain circumstances, this parameter may not be available in the proficiency test.